﻿<!DOCTYPE html>
	<head>
		<meta charset="utf-8" />
		<title>多级菜单</title>
		<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
		<script type="text/javascript" src="js/jquery-2.0.3.min.js"></script>
		<script type="text/javascript" src="js/bootstrap.min.js"></script>
	</head>
	<style type="text/css">
		
	</style>
	<body>
		<input type="checkbox" name="a" value="1" checked  id="aaa">
		<input type="checkbox" name="a" value="2" id="bbb">
		<input type="checkbox" name="a" value="3">
		<input type="checkbox" name="a" value="4">
		<input type="checkbox" name="a" value="5">
	</body>
	<script type="text/javascript">
		var aaa = document.getElementsByName('a');
		console.log(aaa);
	</script>
</html>